crystalline -- (consisting of or containing or of the nature of crystals; "granite is crystalline")
crystalline -- (distinctly or sharply outlined; "crystalline sharpness of outline"- John Buchan)
crystalline, crystal clear, limpid, lucid, pellucid, transparent -- (transmitting light; able to be seen through with clarity; "the cold crystalline water of melted snow"; "crystal clear skies"; "could see the sand on the bottom of the limpid pool"; "lucid air"; "a pellucid brook"; "transparent crystal")
(TTS Sound)
